package com.imooc.controller;

import com.imooc.config.ProjectUrl;
import com.imooc.constant.CookieConstant;
import com.imooc.constant.RedisConstant;
import com.imooc.domain.SellerInfo;
import com.imooc.enums.ResultEnum;
import com.imooc.service.SellerService;
import com.imooc.utils.CookieUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.TimeUnit;

/**
 * 卖家用户
 * @author Create By Liuqz
 * @date 2018/6/9 15:22
 */
@Controller
@RequestMapping(value = "/seller")
public class SellerUserController {

    @Autowired
    private SellerService sellerService;

    @Autowired
    private StringRedisTemplate template;

    @Autowired
    private ProjectUrl projectUrlConfig;
    /**
     * 登入
     * @param openid
     */
    @GetMapping(value = "/login")
    public ModelAndView login(@RequestParam("openid") String openid,
                              HttpServletResponse response,
                              Map<String,Object> map){
        SellerInfo sellerInfo = sellerService.findSellerInfoByOpenId(openid);
        //1.根据openid查询数据库
        if (sellerInfo == null) {
            map.put("msg",ResultEnum.LOGIN_FAIL.getMsg());
            map.put("url","/sell/seller/order/list");
            return new ModelAndView("common/error");
        }

        //2.设置token至redis
        String token = UUID.randomUUID().toString();

        Integer expire = RedisConstant.EXPIRE; //过期时间
        template.opsForValue().set(String.format(RedisConstant.TOKEN_PREFIX,token),openid,expire,TimeUnit.SECONDS);

        //3.设置token至cookie
        CookieUtil.set(response,CookieConstant.TOKEN,token,expire);


        return new ModelAndView("redirect:"+ projectUrlConfig.getSell() +"/sell/seller/order/list",map);
    }


    /**
     * 登出
     * @param request
     * @param response
     * @param map
     * @return
     */
    @GetMapping(value = "/logout")
    public ModelAndView logout(HttpServletRequest request,
                               HttpServletResponse response,
                               Map<String,Object> map){
        //1.从cookie中查询
        Cookie cookie = CookieUtil.get(request,CookieConstant.TOKEN);
        if (cookie != null) {
            //2.清除redis
            template.opsForValue().getOperations().delete(String.format(RedisConstant.TOKEN_PREFIX,cookie.getValue()));

            //3.清除cookie
            CookieUtil.set(response,CookieConstant.TOKEN,null,0);
        }
        map.put("msg",ResultEnum.LOGOUT_SUCCESS.getMsg());
        map.put("url","/sell/seller/order/list");


        return new ModelAndView("common/success",map);
    }
}

